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18121 Konovalenko (2000 NF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018121
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO253490 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2248733 n/a  
a 3.2316720 n/a AU
q 2.5049553 n/a AU
i 0.98647 n/a deg
node 45.10637 n/a deg
peri 309.71182 n/a deg
M 34.17631 n/a deg
tp 2456199.0524389
(2012-Sep-28.55243890)		 n/a JED
period 2121.9705113
5.81		 n/a
n/a		 d
yr
n 0.16965363 n/a deg/d
Q 3.9583887 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      550  
   first obs. used      1993-??-??  
   last obs. used      2013-02-06  
   # oppositions      16  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.55  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.146 

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a PDS3 (MPO 4251)  

18121 Konovalenko           Discovered 2000 July 4 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandr A. Konovalenko (b. 1951) is an academician at the Ukrainian National Academy of Sciences and a well-known radioastronomer. He is active in astrophysics and instrumentation using the largest decameter radio telescope (UTR-2). The name was suggested by D. F. Lupishko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

Alternate Designations
 2000 NF25 = 1994 NV8 = 1995 VO7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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